Alert archive / Tennessee / Wind Advisories in 2017

Wind Advisory 13, NWS Nashville, TN

December 13, 20174 counties in Tennessee

NWS Nashville, TN issued this wind advisory at Dec 13, 2017, 4:07 AM CST for 4 counties in Tennessee. It took effect at Dec 13, 2017, 12:00 PM CST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Dec 13, 2017, 4:07 AM CST (10:07 UTC)
In effect from
Dec 13, 2017, 12:00 PM CST
Expired
Dec 13, 2017, 6:00 PM CST
In force
6 hr
Issued by
NWS Nashville, TN

Counties Montgomery County, TN, Robertson County, TN, Stewart County, TN, Sumner County, TN

The radar

The Ft Campbell radar (KHPX), 30 km from the middle of the area, began a volume at 10:11 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 10.1 hours before the alert went out and 63 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Nashville Metro, TN at 00:00Z on 2017-12-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 2017-12-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 125 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1913 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
125 m²/s²
0-3 km storm-relative helicity
164 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

756 
WWUS74 KOHX 131007
NPWOHX

URGENT - WEATHER MESSAGE
National Weather Service Nashville TN
407 AM CST Wed Dec 13 2017

...Strong southwest winds are expected over parts of northern
Middle Tennessee today...

TNZ005>008-131815-
/O.NEW.KOHX.WI.Y.0013.171213T1800Z-171214T0000Z/
Stewart-Montgomery-Robertson-Sumner-
Including the cities of Dover, Clarksville, Springfield, 
Hendersonville, Gallatin, and Goodlettsville
407 AM CST Wed Dec 13 2017

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 6 PM CST THIS
EVENING...

The National Weather Service in Nashville has issued a Wind
Advisory, which is in effect from noon today to 6 PM CST this
evening. 

* TIMING... from noon today to 6 pm CST this evening

* WINDS...southwest winds to 25 mph, with gusts of 35 to 40 mph.

* IMPACTS...Loose objects will be vulnerable to damage from the
  winds...especially outdoor seasonal decorations. Driving will
  also be difficult...especially for high profile vehicles
  traveling along north to south roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 25 mph and gusts to
near 40 mph are expected. Winds this strong may blow down a few 
trees or tree limbs and cause isolated power outages. Driving may 
also become difficult... especially for high profile vehicles. Use
extra caution.

&&

$$
19
1 follow-up statement
473 
WWUS74 KOHX 131722
NPWOHX

URGENT - WEATHER MESSAGE
National Weather Service Nashville TN
1122 AM CST Wed Dec 13 2017

...Strong southwest winds are expected over parts of northern
Middle Tennessee this afternoon...

TNZ005>008-140000-
/O.CON.KOHX.WI.Y.0013.171213T1800Z-171214T0000Z/
Stewart-Montgomery-Robertson-Sumner-
Including the cities of Dover, Clarksville, Springfield, 
Hendersonville, Gallatin, and Goodlettsville
1122 AM CST Wed Dec 13 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING...

* TIMING...From noon to 6 pm CST this evening

* WINDS...Southwest winds around 25 mph, with gusts of 35 to 
  around 40 mph.

* IMPACTS...Loose objects will be vulnerable to damage from the 
  winds...especially outdoor seasonal decorations. Driving will 
  also be difficult...especially for high profile vehicles 
  traveling along north to south roads. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of around 25 mph and 
gusts to around 40 mph are expected. Winds this strong may blow 
down a few trees or tree limbs and cause isolated power outages. 
Driving may also become difficult...especially for high profile 
vehicles. Use extra caution.

&&

$$
31

Nearby

Wind Advisories in Tennessee, 2017Every wind advisory in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.